La Sagrada Familia in Barcelona is an iconic basilica designed by the renowned architect Antoni Gaudí. Known for its extraordinary and unique architectural style, it combines Gothic and Art Nouveau forms with imaginative, nature-inspired details. Construction began in 1882 and remains ongoing, making it one of the longest-running architectural projects in history. The basilica’s intricate facades, soaring spires, and vibrant stained glass windows are notable highlights. La Sagrada Familia is a UNESCO World Heritage Site and an enduring symbol of Catalan modernism, attracting millions of visitors annually with its awe-inspiring beauty and innovative design.